// GconfSettingsStorage.cs
//
// Author:
//   Jared Hendry (buchan@gmail.com)
//
// Copyright (C) 2007 Jared Hendry
//
// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to
// permit persons to whom the Software is furnished to do so, subject to
// the following conditions:
//
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

using System;
using GConf;

namespace Monsoon {
    public class GconfSettingsStorage {
        private static GconfSettingsStorage instance = new GconfSettingsStorage();

        private GConf.Client client;
        private readonly string GCONF_APP_PATH = "/apps/monsoon/";
        private static NLog.Logger logger = MainClass.DebugEnabled ? NLog.LogManager.GetCurrentClassLogger() : new EmptyLogger();

        public static GconfSettingsStorage Instance {
            get { return instance; }
        }

        private GconfSettingsStorage() {
            client = new GConf.Client();
        }

        public void Store(string key, object val) {
            lock (GCONF_APP_PATH) {
                client.Set(GCONF_APP_PATH + key, val);
            }
        }

        public object Retrieve(string key) {
            object retrievedKey;

            try {
                lock (GCONF_APP_PATH)
                    retrievedKey = client.Get(GCONF_APP_PATH + key);
            } catch (GConf.NoSuchKeyException e) {
                logger.Info("Key not found: " + e.Message);
                throw new SettingNotFoundException("Setting '" + key + "' cannot be found");
            }
            return retrievedKey;
        }

        public void Flush() {}
    }
}
